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Updated: 2021-10-21 19:59 America/New_York

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Updated: 2021-10-15 11:49 UTC

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Purpose

This webpage/report is intended to aggregate information from different agencies (i.e. USACE, SFWMD, FWC, USGS and NOAA) into one spot to help inform local government agencies and stakeholders on conditions within Lake Okeechobee, the Caloosahatchee River and Estuary and Coastal southwest Florida. The data provided here should be considered preliminary and are subject to change.

USACE Data Summary

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Lake Flows: In the past 7 days the total outflow from Lake Okeechobee was 2,708 AF with 135 AF to the Caloosahatchee through S-77, 506 AF through S-310 in Clewiston, and 2,067 AF to the EAA through S-351, S-352, and S-354. The total net inflow to the Lake was 45,088 AF (42,145 AF from Fisheating Creek, S-71, S-72,S-84s, S-65EX, and S-65EX1) with a total backflow volume of 2,943 AF from C10A. Water conservation areas received flows of 6,710 AF, 11,482 AF, and 13,440 AF at WCA1, WCA2, and WCA3, respectively. Everglades National Park received 28,286 AF.


Lake Okeechobee Level: 15.83 ft (Operational Management Band)

Lake Okeechobee Inflow: 3104 cfs

Last Week: 15.86 ft

Lake Okeechobee Outflow: 360 cfs

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Lake Flows: In the past 7 days the total outflow from Lake Okeechobee was 127 AF with 0 AF to the Caloosahatchee through S-77, 127 AF through S-310 in Clewiston, and 0 AF to the EAA through S-351, S-352, and S-354. The total net inflow to the Lake was 55,549 AF (50,122 AF from Fisheating Creek, S-71, S-72,S-84s, S-65EX, and S-65EX1) with a total backflow volume of 5,427 AF from C10A. Water conservation areas received flows of 13,999 AF, 16,072 AF, and 20,707 AF at WCA1, WCA2, and WCA3, respectively. Everglades National Park received 20,926 AF.


Lake Okeechobee Level: 15.86 ft (Operational Management Band)

Lake Okeechobee Inflow: 4651 cfs

Last Week: 15.64 ft

Lake Okeechobee Outflow: 0 cfs

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Weekly Rainfall Total:

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WP Franklin 0.00"

Ortona 0.00"

Moore Haven 0.00"

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WP Franklin ≥ 0.49"

Ortona ≥ 1.33"

Moore Haven 1.27"

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Lake Okeechobee


Stage Elevation

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Lake Okeechobee daily average stage elevation for water year 2022 (WY2022) relative to the last two water years (red line) relative to the Lake Okeechobee Regulation Schedule (LORS) .
Data are provisional and subject to change.


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  • As of 10/20/2021 the mean stage elevation in Lake Okeechobee is within the Operational Low Sub- Management Band at a stage elevation of 15.83 feet (NGVD29).

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  • As of 10/14/2021 the mean stage elevation in Lake Okeechobee is within the Operational Low Sub- Management Band at a stage elevation of 15.86 feet (NGVD29).

    • >>>>>>> 4d736bc83c2392ad8ef38c4d2708b7c02d78b44d
    Lake Okeechobee 7-day and 30-day water level recession/ascension rates during WY2022. Negative values indicate falling water levels (recession) and positive values indicate raising water level (ascension) during this 7-day period .
    Data are provisional and subject to change.

    Regional Rainfall

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    Relative Algae Condition

    Sonde monitoring locations within Lake Okeechobee conducted by SFWMD.


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    Daily Chlorophyll, Phycocyanin,relative ratio of Phycocyanin (Phyco) relative to Phyco and Chlorophyll (Chl) and Turbidity within Lake Okeechobee monitored by SFWMD. Chlorophyll and Phycocyanin are plotted on log-scale. Thresholds of concern/risk identified for Chlorophyll (20 and 40 μg/L) and Phycocyanin (40 μg/L; Cotterill et al 2019 & Macário et al 2015).
    Data are provisional and subject to change.

    • Cotterill et al (2019) Phycocyanin sensors as an early warning system for cyanobacteria blooms concentrations: a case study in the Rotorua lakes. New Zealand Journal of Marine and Freshwater Research 53:555–570.
    • Macário et al (2015) New insights towards the establishment of phycocyanin concentration thresholds considering species-specific variability of bloom-forming cyanobacteria. Hydrobiologia 757:155–165.


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    <<<<<<< HEAD Cyanobacteria Index for Lake Okeechobee for 2021-10-20 (Data Source: NOAA NCCOS)

    Cyanobacteria Index for Lake Okeechobee for 2021-10-20 (Data Source: NOAA NCCOS)

    Cyanobacteria Index for Lake Okeechobee for 2021-10-20 (Data Source: NOAA NCCOS)

    Cyanobacteria Index for Lake Okeechobee for 2021-10-20 (Data Source: NOAA NCCOS) ======= Cyanobacteria Index for Lake Okeechobee for 2021-10-14 (Data Source: NOAA NCCOS)

    Cyanobacteria Index for Lake Okeechobee for 2021-10-14 (Data Source: NOAA NCCOS) >>>>>>> 4d736bc83c2392ad8ef38c4d2708b7c02d78b44d

    Blue-Green Algae Sampling Results

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    Blue-green Algae sampling results for the last 30-days for the 10 county area (Lee, Collier, Hendry, Glades, Okeechobee, Martin, Palm Beach, Broward, Miami-Dade and Monroe). Data from FDEP Blue-green algae dashboard
    Data are provisional and subject to change.

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    Of the 113 samples collected, cyanobacteria was dominate in 48 samples, 47 samples had toxins present ranging from 0.26 to 44 μg L⁻¹ (does not include non-detects).

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    Of the 84 samples collected, cyanobacteria was dominate in 43 samples, 44 samples had toxins present ranging from 0.26 to 44 μg L⁻¹ (does not include non-detects).

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    Caloosahatchee River Estuary

    Discharge

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    Fort Myers Yacht Basin salinity (SCCF-RECON) and S79 discharge (SFWMD) data for the last six months.
    Data are provisional and subject to change.

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    Fort Myers Yacht Basin salinity (SCCF-RECON) and S79 discharge (SFWMD) data for the last last 30 days.
    Data are provisional and subject to change.

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    S-77 (from Lake Okeechobee) and S-79 (to Tidal Basin) flow data along the C-43 and Caloosahatchee River. C-43 Basin Flow was calculated as the difference from S-77 and S-79.
    Data are provisional and subject to change.


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    Daily, 14-day moving average and 30-day moving average discharge for S-79 relative to the Northern Estuaries RECOVER performance measure and the established minimium flows and levels (MFLs) for the recent 30-day period.
    Data are provisional and subject to change.

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    • As of Oct 20, discharges conditions are within the optimum RECOVER salinity envelope.


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  • As of Oct 14, discharges conditions are within the stress RECOVER salinity envelope.


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    Cumulative discharge for S-79 (to Tidal Basin) and S-77 (from Lake Okeechobee) for the last three Florida Water Years (May - April). Day of water year is analogous to day of year with Day 1 = May 1st.
    Data are provisional and subject to change.

    Chlorophyll, Phycocyanin & fDOM

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    Top: Daily dissolved organic matter (fluorescence DOM). Middle: Daily relative fluorescence Chlorophyll and Phycocyanin observed at the floating sensor bouy at S-79 monitoring by USGS. Bottom: The relative ratio of Phycocyanin (Phyco) relative to Phyco and Chlorophyll (Chl).
    Data are provisional and subject to change.

    Estuary Salinity

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    Daily average bottom salinity data for the last 14-days from sampling locations within the tidal Caloosahatchee River Estuary relative to oyster health (Sanibel, Shell Point and Cape Coral) and tape grass (Vallisneria americana) health (Ft. Myers only) conditions.
    Data are provisional and subject to change.

    Red Tide


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    Red tide sampling results for the last 30-days from just south of Tampa Bay to the Florida Keys. Data from NOAA HABSOS Program
    Data are provisional and subject to change.

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    <<<<<<< HEAD Chlorophyll fluorescence for coastal southwest Florida for 2021-10-20 (Data Source: NOAA NCCOS)

    Chlorophyll fluorescence for coastal southwest Florida for 2021-10-20 (Data Source: NOAA NCCOS) ======= Chlorophyll fluorescence for coastal southwest Florida for 2021-10-14 (Data Source: NOAA NCCOS)

    Chlorophyll fluorescence for coastal southwest Florida for 2021-10-14 (Data Source: NOAA NCCOS) >>>>>>> 4d736bc83c2392ad8ef38c4d2708b7c02d78b44d

    Charlotte Harbor

    Discharge

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    USGS discharge monitoring locations for rivers and creeks entering Charlotte Harbor

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    Daily discharge into Charlotte Harbor from major rivers and creeks. Data source: USGS. Grey dashed lines between points indicate a potential data gap with values linearly interpolated.
    Data are provisional and subject to change.

     

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